Hitachi RCI-2.5-FSN3Ei Installation And Operation Manual page 14

ELECTRICAL WIRING
6.3 SETTINGS OF DIP SWITCHES
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Quantity and Position of Dip Switches
Dips switches position is the following:
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C A U T I O N
Before setting dips switches, firstly turn off power source and set the po-
sition of the dips switches. If the switches are set without turning off the
power source, the contents of the setting are invalid.
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DSW3: Capacity Code Setting
No setting is required, due to setting before shipment. This dip
switch is utilized for setting the capacity code which corresponds
to the horse power of the indoor unit.
HP
ON
Setting
position
HP 1.8(*)
ON ON
Setting
position
HP 3
ON ON
Setting
position
(*) Capacity available with DSW3 setting
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DSW4: Unit Model Code Setting
No setting is required. This switch is utilized for setting the
model code which corresponds to the indoor unit type.
Indoor unit model
RCI
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DSW5 and RSW2: Refrigerant cycle number
setting
Setting is required. Setting position before shipment in
DSW5
ON
Here is set DSW5 and RSW2 before shipment up to 63 can be set.
8 PMML0253A rev.5 - 08/2016
1.0 1.3(*)
ON ON
2 2.3(*)
ON ON
4 5
ON ON
DSW4 setting
ON
RSW2
Example setting 5 system
ON
All pins are OFF
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DSW6 and RSW1: Unit number setting
The below figure indicates the position before shipment.
DSW6
ON
Here is set DSW6 and RSW1 before shipment up to 63 can be set.
Ex. setting nº16
ON
1.5
Nº 1 PIN is on
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DSW7: Fuse Recover
2.5
No setting is required, due to setting before shipment.
Setting position before shipment is all OFF.
In case of applying high voltage to the terminal 1,2
of TB, the fuse (0.5) on the PCB1 is cut. In such a
6
case, firstly correct the wiring to TB and then turn
ON #1 (as showing beside)
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DSW9: (Not used)
No setting is required, due to setting before shipment.
Setting position before shipment is all OFF.
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N O T E
• The mark "n" indicates position of dips switches. Figures show setting
before shipment or after selection.
• To set the position of the rotary switches, insert a screwdriver into the
groove of the RSW.
RSW2
Fix to 5
RSW1
RSW1
Fix to 6
ON
Indication
Use flathead driver